Chemistry Which one of the following has greatest mass ? Proton Neutron Electron Hydrogen nucleus Proton Neutron Electron Hydrogen nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Helium pushes down on the air below the balloon The balloon is weightless Helium is less dense than air Air exerts an upward force on the balloon Helium pushes down on the air below the balloon The balloon is weightless Helium is less dense than air Air exerts an upward force on the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Aerosols Fumes Smoke Mists Aerosols Fumes Smoke Mists ANSWER DOWNLOAD EXAMIANS APP
Chemistry White lung cancer' is caused by Paper Textiles Silica Asbestos Paper Textiles Silica Asbestos ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the lowest electronegativity value Fluorine Chlorine Francium Radium Fluorine Chlorine Francium Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of electrons presents in H+ is one two three zero one two three zero ANSWER DOWNLOAD EXAMIANS APP